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make streams and exceptions optional (#218)

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* magic_enum: make streams optional
this commit adds support to disable streams
with macro MAGIC_ENUM_NO_STREAMS

* magic_enum_format: add support to disable exceptions
this commit adds support to disable exceptions
with macro MAGIC_ENUM_NO_EXCEPTIONS
This commit is contained in:
ilobilo 2022-11-04 23:46:37 +04:00 • committed by GitHub
parent 159a35006d
commit 596f00c0db
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 3 deletions
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10
include/magic_enum_format.hpp
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@ -43,8 +43,14 @@
# define MAGIC_ENUM_DEFAULT_ENABLE_ENUM_FORMAT_AUTO_DEFINE
#endif // MAGIC_ENUM_DEFAULT_ENABLE_ENUM_FORMAT
#if !defined(MAGIC_ENUM_NO_EXCEPTIONS) && (defined(__cpp_exceptions) || defined(_EXCEPTIONS) || defined(_HAS_EXCEPTIONS))
# define MAGIC_ENUM_THROW throw std::format_error
#else
# define MAGIC_ENUM_THROW std::terminate(); (void)
#endif
namespace magic_enum::customize {
// customize enum to enable/disable automatic std::format
// customize enum to enable/disable automatic std::format
template <typename E>
constexpr bool enum_format_enabled() noexcept {
return MAGIC_ENUM_DEFAULT_ENABLE_ENUM_FORMAT;
@ -67,7 +73,7 @@ struct std::formatter<E, std::enable_if_t<std::is_enum_v<E> && magic_enum::custo
}
}
constexpr auto type_name = magic_enum::enum_type_name<E>();
throw std::format_error("Type of " + std::string{type_name.data(), type_name.size()} + " enum value: " + std::to_string(magic_enum::enum_integer<D>(e)) + " is not exists.");
MAGIC_ENUM_THROW("Type of " + std::string{type_name.data(), type_name.size()} + " enum value: " + std::to_string(magic_enum::enum_integer<D>(e)) + " is not exists.");
}
};